Side by side

Seestern S446 GMTvsGrand Seiko SBGM245

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

S446 GMT
SeesternS446 GMT
MSRP $299
SBGM245
Grand SeikoSBGM245
MSRP $6,100
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

At a glance

14 of 29 specs differ
Diameter
S446 GMT39.5mm
SBGM24540.5mm
Power Reserve
S446 GMT41hh
SBGM24572h
Water Resistance
S446 GMT100m
SBGM245200m
MSRP
S446 GMT$299
SBGM245$6,100

Full specifications

Case

5 specs
Diameter
39.5mm
40.5mm
Thickness
13mm
14.4mm
Lug-to-Lug
47mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Domed
Flat
AR Coating
Inner
Yes
Dial Color
Cream
Black

Movement

5 specs
Caliber
Seiko NH34A GMT
9S66
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
72h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$6,100
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